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Penicillin: Quiz


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Question 1: These directed-evolution techniques include error-prone PCR, ________ shuffling, ITCHY, and strand overlap PCR.

Question 2: The discovery of penicillin is attributed to Scottish scientist and Nobel laureate ________ in 1928.
Charles Scott SherringtonHoward Florey, Baron FloreyCharles NicolleAlexander Fleming

Question 3: Penicillins, like other β-lactam antibiotics, block not only the division of bacteria, including cyanobacteria, but also the division of cyanelles, the photosynthetic organelles of the glaucophytes, and the division of ________ of bryophytes.
Plant cellPlastidChloroplastCell wall

Question 4: Penicillin shows a synergistic effect with ________, since the inhibition of peptidoglycan synthesis allows aminoglycosides to penetrate the bacterial cell wall more easily, allowing its disruption of bacterial protein synthesis within the cell.

Question 5: In recent years, the ________ method of directed evolution has been applied to produce by mutation a large number of Penicillium strains.

Question 6: Penicillin (sometimes abbreviated PCN or pen) is a group of ________ derived from Penicillium fungi.
ATC code J01Antibiotic misuseNucleic acid inhibitorAntibiotic

Question 7: Normal penicillin has a ________ of 313[3] to 334[4][5] g/mol (latter for penicillin G).
DeuteriumHydrogenMolecular massAtomic mass

Question 8: Sanders) at the Sir William Dunn School of Pathology, ________ made significant progress in showing the in vivo bactericidal action of penicillin.
University of CambridgeUniversity of SouthamptonUniversity of OxfordOxford Brookes University

Question 9: This supports the ________ of the evolution of plastid division in land plants.
MitochondrionEndosymbiotic theoryChloroplastEukaryote

Question 10: The first published reference appears in the publication of the Royal Society in 1875, by ________.
William Thomson, 1st Baron KelvinThomas Henry HuxleyJohn TyndallSir George Stokes, 1st Baronet

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